The lobsterfish is a giant grouper. Grouper is a carnivorous fish that lives in the bottom of the warm-water ocean, for the sea fish, which is also known as the pig lamb spot. Lobsterfish like to inhabit the sea within the reef plate, the deepest up to 60 meters or so, to the benthic crustaceans and small fish and shrimp for food. It is not a fast swimmer, but because of its special body structure, it tends to hunt by surprise, catching its prey unawares.

Long pontoon fish mostly live in tropical and subtropical coral reef sea area. In addition to China's Xisha, Spratly Islands and Hainan Island south, foreign countries in the Red Sea, the Indian Ocean, the east coast of Africa to the middle of the Pacific Ocean, south to Australia, north of southern Japan and other sea areas are also distributed. The dragon pontoon does not easily show up in the sea, experienced fishermen often use longline, hand fishing or bottom trawling to catch it.

Lobsterfish is a valuable fish in the ocean, its meat is delicious, nutritious, and tastes better than the general grouper, and it can be made into a variety of seafood dishes, which are scarce and expensive.

The wild pontoon is protected by the Implementing Regulations for the Protection of Aquatic Wildlife, and the wild pontoon is also a key aquatic wildlife under the protection of Guangdong Province.